11121841 has 2 divisors, whose sum is σ = 11121842.
Its totient is φ = 11121840.
The previous prime is 11121823. The next prime is 11121853. The reversal of 11121841 is 14812111.
11121841 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 9150625 + 1971216 = 3025^2 + 1404^2
It is a cyclic number.
It is not a de Polignac number, because 11121841 - 27 = 11121713 is a prime.
It is not a weakly prime, because it can be changed into another prime (11121871) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5560920 + 5560921.
It is an arithmetic number, because the mean of its divisors is an integer number (5560921).
Almost surely, 211121841 is an apocalyptic number.
It is an amenable number.
11121841 is a deficient number, since it is larger than the sum of its proper divisors (1).
11121841 is an equidigital number, since it uses as much as digits as its factorization.
11121841 is an evil number, because the sum of its binary digits is even.
The product of its digits is 64, while the sum is 19.
The square root of 11121841 is about 3334.9424282887.
The cubic root of 11121841 is about 223.2161229965.
Adding to 11121841 its reverse (14812111), we get a palindrome (25933952).
It can be divided in two parts, 111 and 21841, that added together give a cube (21952 = 283).
The spelling of 11121841 in words is "eleven million, one hundred twenty-one thousand, eight hundred forty-one".